«Expr» in SSRS reports

Do you like report designs that look like this?


Me neither. It may print the right data, but it’s difficult (= expensive) to maintain.

Fortunately you can easily show something descriptive instead of «Expr». Right-click the value and pick Placeholder Properties…


and type a description of the placeholder to Label:


The designer will then display the description instead of «Expr»:


You surely don’t want to go and change all existing reports with this problem, but I encourage you to do it for all new development.